ts_lib.c revision 306230 
1/* crypto/ts/ts_lib.c */
2/*
3 * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
4 * 2002.
5 */
6/* ====================================================================
7 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60#include <stdio.h>
61#include "cryptlib.h"
62#include <openssl/objects.h>
63#include <openssl/bn.h>
64#include <openssl/x509v3.h>
65#include "ts.h"
66
67/* Local function declarations. */
68
69/* Function definitions. */
70
71int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
72{
73    BIGNUM num_bn;
74    int result = 0;
75    char *hex;
76
77    BN_init(&num_bn);
78    ASN1_INTEGER_to_BN(num, &num_bn);
79    if ((hex = BN_bn2hex(&num_bn))) {
80        result = BIO_write(bio, "0x", 2) > 0;
81        result = result && BIO_write(bio, hex, strlen(hex)) > 0;
82        OPENSSL_free(hex);
83    }
84    BN_free(&num_bn);
85
86    return result;
87}
88
89int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
90{
91    char obj_txt[128];
92
93    OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
94    BIO_printf(bio, "%s\n", obj_txt);
95
96    return 1;
97}
98
99int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
100{
101    int i, critical, n;
102    X509_EXTENSION *ex;
103    ASN1_OBJECT *obj;
104
105    BIO_printf(bio, "Extensions:\n");
106    n = X509v3_get_ext_count(extensions);
107    for (i = 0; i < n; i++) {
108        ex = X509v3_get_ext(extensions, i);
109        obj = X509_EXTENSION_get_object(ex);
110        i2a_ASN1_OBJECT(bio, obj);
111        critical = X509_EXTENSION_get_critical(ex);
112        BIO_printf(bio, ": %s\n", critical ? "critical" : "");
113        if (!X509V3_EXT_print(bio, ex, 0, 4)) {
114            BIO_printf(bio, "%4s", "");
115            M_ASN1_OCTET_STRING_print(bio, ex->value);
116        }
117        BIO_write(bio, "\n", 1);
118    }
119
120    return 1;
121}
122
123int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
124{
125    int i = OBJ_obj2nid(alg->algorithm);
126    return BIO_printf(bio, "Hash Algorithm: %s\n",
127                      (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
128}
129
130int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
131{
132    const ASN1_OCTET_STRING *msg;
133
134    TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a));
135
136    BIO_printf(bio, "Message data:\n");
137    msg = TS_MSG_IMPRINT_get_msg(a);
138    BIO_dump_indent(bio, (const char *)M_ASN1_STRING_data(msg),
139                    M_ASN1_STRING_length(msg), 4);
140
141    return 1;
142}
143